This free, interactive and independent website has been conceived and designed by working marine mammal professionals to provide accurate, hard to find information and rare behind the scenes views and insights into the...

This case study looks at an animal model in the study of Alzheimer's disease. Students will identify which components of the scientific method are used in the case. The lesson may be used in a variety of science courses,...

This article, created by B. Dudley of Keele University, describes how an environmental science class became involved in a study to confirm the hypothesis that weeds are distributed at random in well established lawns....

This is a tree species distribution atlas. It contains information for 80 species in the eastern half of the United States (east of the 100th meridian). The site contains distribution maps and tables for different...

This is an animation of a comparator with noisy input voltage. The device compares the voltages and switches to the larger one. Voltages and parts of the circuit of this 3-D animated gif are highlighted with different...